SEMESTER 2 FINAL 2018-2019

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1. What causes the formation of metamorphic rock?

2 points

the weathering of rock

the cooling of lava

the pressurization and partial melting of all rock

Clear selection

2. Where on earth's surface do lava flows tend to occur?

2 points

along techtonic plate boundaries

random locations all over

on hot spots

Clear selection

3. Which of the following are NOT ways weathering creates sediments

2 points

chemical weathering

erosional weathering

mechanical weathering

Clear selection

4. Describe how sediments are made into sedimentary rocks .

2 points

distillation and filtration

compaction and cementation

boiling and freezing

Clear selection

5. Which rocks form at the surface of the crust as opposed to beneath the surface ?

2 points

Extrusive rocks

Intrusive rocks

Metamorphic rock

Clear selection

6. What are the two ways minerals become rocks ?

2 points

Magma and Water solutions

Volcanos and Weathering

Volcanos and Sedimentation

Clear selection

7. Where does the magma cool the fastest?

2 points

At and below the surface cools at the same rate

At the surface

Below the surface

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8.All minerals are ...

2 points

inorganic meaning they contain no carbon, and they are not produced by living or formerly living things

inorganic meaning that they contain carbon, and they are produced by living or formlt living things

organic meaning they contain carbon, and they are produce by living or formlt living things

Clear selection

9. What type rock makes the vast majority of earth's crust?

2 points

'sedimentary rock

igneous rock

metamorphic rock

Clear selection

10. Mechanical weathering occurs when ....

2 points

rock is physically broken into small pieces by ice and plant processes

rock is chemically broken into new forms by chemical reactions .

rock is put under pressure and heat

Clear selection

11. How many energy levels are FILLED in Flourine (9)

2 points

1ST Level

2nd Level

3rd Level

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12. How many electrons does the Flourine atom tend to GAIN?

2 points

3 electrons

2 electrons

1 electron

Clear selection

13. To become a positive ion, does the atom gain or lose electrons ?

2 points

lose electrons

gain electrons

electrons have nothing to do with ions

Clear selection

14. Is the oil and gas mixture used in a outboard engine considered a solution or a suspension ?

2 points

suspension

neither

solution

Clear selection

15. What defines a material as being a mixture?

2 points

Two or more elements or materials

Two or more elements or materials blended together where something new is made?

Two or more elements or materials blended together where nothing new is made?

Clear selection

16. is clean lake water considered pure or impure?

2 points

Impure- there are other elements or compounds besides the water molecules

Impures - which means its polluted

Pure - cant see anything else in it

Clear selection

17. Classify the following two materials : a ham sandwich and a gatorade

2 points

the first is a heterogeneous mixture and the second is a homogeneous mixture

the first is a homogenous mixture and the second is a heterogenous mixture

they are both homogenous mixtures

Clear selection

18. How many atoms are found in the following compound - HSO4

2 points

Clear selection

19. What side of the chemical reaction arrow are the reactants always found on?

2 points

right

left

both , they can change

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20. What will not change during a physical change?

2 points

its burning

what it is made of

its surface area

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21. What generally happens to an atom of Uranium as a result of radioactivity

2 points

it changes to something else

nothing

it becomes more radioactive

Clear selection

22. What size atom is generally more stable?

2 points

sma;ll

medium

large

Clear selection

23. What energy level is closest to the nucleus ?

2 points

1st level

2nd level

3rd level

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24. . What particles are found inside the nucleus?

2 points

electrons and nuetrons

electrons and protons

protons and neutrons

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25. Can the light produced by ANY ATOM be confused with any other atom's light - explain

2 points

26. If a radioactive materials have a half life of 1 day , how much of the orginal material will be there after 2 days?

2 points

27. Are the characteristics of a compound necessarily the same as the characteristics of its ingredients ?

2 points

28. Distinguish between a ionic and covalent bond?

2 points

29. Use the rock cycle diagram to explain process of a sedimentary rock becoming a metamorphic rock.

2 points

30. Why is it important that chemical reactions are balanced ?

2 points

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